Answer:
s = 2.8y
Step-by-step explanation:
Score is proportional to the amount of correctly answered question :
Given that:
Score earned by Rachael = s =70
Number of correctly answered question = y = 25
Hence,
Score α number of correctly answered question
s = ky
70 = 25k
k = 70/25
k = 2.8
Hence, one correct answer gives 2.8
Hence,
Score obtained = 2.8 * number of questions answered correctly
s = 2.8y
I'll use subscript notation for brevity, i.e.
.
By the chain rule,



We have

and

When
, we have

and the partial derivatives take on values of

So we end up with

Answer:
26 degrees
Step-by-step explanation:
Answer:
caculate the area of a rectangle of length with 250cm and width with 200cm
The answer is 1/16.
When it comes to fractions, it's quite simple! If you can multiply, you can do this!
Simply write the the top number over the bottom so it looks normal. Multiply straight across. 1x1 is 1, and 8x2 is 16. Don't do anything else! It's 1 over 16 OR 1/16